1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
2 //
3 // This file is provided under a dual BSD/GPLv2 license. When using or
4 // redistributing this file, you may do so under either license.
5 //
6 // Copyright(c) 2019-2020 Intel Corporation. All rights reserved.
7 //
8 // Author: Cezary Rojewski <cezary.rojewski@intel.com>
9 //
10
11 #include <sound/hdaudio_ext.h>
12 #include <sound/soc.h>
13 #include "../sof-priv.h"
14 #include "hda.h"
15
16 static inline struct hdac_ext_stream *
hda_compr_get_stream(struct snd_compr_stream * cstream)17 hda_compr_get_stream(struct snd_compr_stream *cstream)
18 {
19 return cstream->runtime->private_data;
20 }
21
hda_probe_compr_assign(struct snd_sof_dev * sdev,struct snd_compr_stream * cstream,struct snd_soc_dai * dai)22 int hda_probe_compr_assign(struct snd_sof_dev *sdev,
23 struct snd_compr_stream *cstream,
24 struct snd_soc_dai *dai)
25 {
26 struct hdac_ext_stream *stream;
27
28 stream = hda_dsp_stream_get(sdev, cstream->direction);
29 if (!stream)
30 return -EBUSY;
31
32 hdac_stream(stream)->curr_pos = 0;
33 hdac_stream(stream)->cstream = cstream;
34 cstream->runtime->private_data = stream;
35
36 return hdac_stream(stream)->stream_tag;
37 }
38
hda_probe_compr_free(struct snd_sof_dev * sdev,struct snd_compr_stream * cstream,struct snd_soc_dai * dai)39 int hda_probe_compr_free(struct snd_sof_dev *sdev,
40 struct snd_compr_stream *cstream,
41 struct snd_soc_dai *dai)
42 {
43 struct hdac_ext_stream *stream = hda_compr_get_stream(cstream);
44 int ret;
45
46 ret = hda_dsp_stream_put(sdev, cstream->direction,
47 hdac_stream(stream)->stream_tag);
48 if (ret < 0) {
49 dev_dbg(sdev->dev, "stream put failed: %d\n", ret);
50 return ret;
51 }
52
53 hdac_stream(stream)->cstream = NULL;
54 cstream->runtime->private_data = NULL;
55
56 return 0;
57 }
58
hda_probe_compr_set_params(struct snd_sof_dev * sdev,struct snd_compr_stream * cstream,struct snd_compr_params * params,struct snd_soc_dai * dai)59 int hda_probe_compr_set_params(struct snd_sof_dev *sdev,
60 struct snd_compr_stream *cstream,
61 struct snd_compr_params *params,
62 struct snd_soc_dai *dai)
63 {
64 struct hdac_ext_stream *stream = hda_compr_get_stream(cstream);
65 struct hdac_stream *hstream = hdac_stream(stream);
66 struct snd_dma_buffer *dmab;
67 u32 bits, rate;
68 int bps, ret;
69
70 dmab = cstream->runtime->dma_buffer_p;
71 /* compr params do not store bit depth, default to S32_LE */
72 bps = snd_pcm_format_physical_width(SNDRV_PCM_FORMAT_S32_LE);
73 if (bps < 0)
74 return bps;
75 bits = hda_dsp_get_bits(sdev, bps);
76 rate = hda_dsp_get_mult_div(sdev, params->codec.sample_rate);
77
78 hstream->format_val = rate | bits | (params->codec.ch_out - 1);
79 hstream->bufsize = cstream->runtime->buffer_size;
80 hstream->period_bytes = cstream->runtime->fragment_size;
81 hstream->no_period_wakeup = 0;
82
83 ret = hda_dsp_stream_hw_params(sdev, stream, dmab, NULL);
84 if (ret < 0) {
85 dev_err(sdev->dev, "error: hdac prepare failed: %x\n", ret);
86 return ret;
87 }
88
89 return 0;
90 }
91
hda_probe_compr_trigger(struct snd_sof_dev * sdev,struct snd_compr_stream * cstream,int cmd,struct snd_soc_dai * dai)92 int hda_probe_compr_trigger(struct snd_sof_dev *sdev,
93 struct snd_compr_stream *cstream, int cmd,
94 struct snd_soc_dai *dai)
95 {
96 struct hdac_ext_stream *stream = hda_compr_get_stream(cstream);
97
98 return hda_dsp_stream_trigger(sdev, stream, cmd);
99 }
100
hda_probe_compr_pointer(struct snd_sof_dev * sdev,struct snd_compr_stream * cstream,struct snd_compr_tstamp * tstamp,struct snd_soc_dai * dai)101 int hda_probe_compr_pointer(struct snd_sof_dev *sdev,
102 struct snd_compr_stream *cstream,
103 struct snd_compr_tstamp *tstamp,
104 struct snd_soc_dai *dai)
105 {
106 struct hdac_ext_stream *stream = hda_compr_get_stream(cstream);
107 struct snd_soc_pcm_stream *pstream;
108
109 pstream = &dai->driver->capture;
110 tstamp->copied_total = hdac_stream(stream)->curr_pos;
111 tstamp->sampling_rate = snd_pcm_rate_bit_to_rate(pstream->rates);
112
113 return 0;
114 }
115
